Migrate analytics-toast.spec.ts from Cypress to Playwright (#11939)

Signed-off-by: Michael Telatynski <7t3chguy@gmail.com>

playwright/element-web-test.ts

@@ -24,6 +24,7 @@ import { Credentials, HomeserverInstance, StartHomeserverOpts } from "./plugins/
 import { Synapse } from "./plugins/synapse";
 import { Instance } from "./plugins/mailhog";
 import { OAuthServer } from "./plugins/oauth_server";
+import { Toasts } from "./pages/toasts";
 
 const CONFIG_JSON: Partial<IConfigOptions> = {
     // This is deliberately quite a minimal config.json, so that we can test that the default settings
@@ -60,6 +61,7 @@ export const test = base.extend<
         };
         displayName?: string;
         mailhog?: { api: mailhog.API; instance: Instance };
+        toasts: Toasts;
     }
 >({
     crypto: ["legacy", { option: true }],
@@ -147,6 +149,10 @@ export const test = base.extend<
 
             expect(results.violations).toEqual([]);
         }),
+
+    toasts: async ({ page }, use) => {
+        await use(new Toasts(page));
+    },
 });
 
 test.use({});